Answer:
<em>Hey mate, here's ur answer:</em>
<em>----------------------------------------------------------</em>
<em>(4a - 3b + 4c) + (8a - 2b + 3c)</em>
=4a+−3b+4c+8a+−2b+3c
=(4a+8a)+(−3b+−2b)+(4c+3c)
<u>=12a−5b+7c</u>
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<em>Hope it helps</em>
<em>#stayhomestaysafemate</em>
<em>:D</em>
Use the link that’s what helped me
Answer:

Step-by-step explanation:

<em>n</em> → exponent, means to multiply the base number by itself <em>n </em>no. of times.
Here we multiply the base number by itself 4 times.

The answer would be you can’t simplify the first one but the second would be 15 square root 5
Hope this helps
Have a great day/night
Feel free to ask any questions
Answer:for 5
Step-by-step explanation:1,5